CONTENTS
Safety ...................................................................................................... 4
Location ................................................................................................. 6
Hot water expansion ............................................................................ 15
Using the heater ................................................................................... 16
Maintenance ........................................................................................ 16
Winter precautions ............................................................................... 16
Problem solving ..................................................................................... 17
Warranty ................................................................................................ 21
Calorifiers and Water Storage Heaters - what's the difference?
None. 'Calorifier' is a word borrowed from industrial process heating, meaning a water vessel containing
a heat exchanger (such as a coiled pipe) through which steam or hot water passes, giving up its heat to
the water contained in the vessel.
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